Template:Ref-O'RahillyMuller1987
From Embryology
O'Rahilly R. and Muller F. Stages in early human development. In Feichtinger, W., and Kemeter, P. (ed.). Future Aspects in Human in vitro Fertilization. (1987) Springer, Berlin.
O'Rahilly R. and Muller F. Stages in early human development. In Feichtinger, W., and Kemeter, P. (ed.). Future Aspects in Human in vitro Fertilization. (1987) Springer, Berlin.